Stock Bore Type B Sprockets 120 Chain

120 B Type Stock Bore Roller Chain Sprockets


All PLI sprockets are manufactured using the ISO 9001 quality management system. B type sprockets have a stock bore and usually require some altering before installation. B Type sprockets have a hub on one side. The teeth will be hardened on sprockets with 21 or fewer teeth.

Model Specifications


*Has recessed groove in hub for chain clearance. 1 1/2" Pitch, Nominal = 0.924", Maximun bores shown will accommodate standard keyseat & setscrew over Keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle